Results 51 to 60 of about 1,995 (175)

Long‐Term Study of Optical Nanoparticles Doped With Yb3+/Er3+ and Transition Metal Ions and their Real Application for Imaging and Temperature Sensing on Triticum Aestivum L.

open access: yesAdvanced Optical Materials, Volume 13, Issue 18, June 26, 2025.
This work shows a study on SrF2:Yb3+, Er3+ water colloid, additionally doped with transition metals (Sc3+ or Zn2+) to enhance observed emission, tested during 22 weeks of storage in ambient conditions. Due to high stability, excellent optical properties achieved under 975 nm excitation, and negligible phytotoxicity, the nanoparticles are applied for ...
Dominika Przybylska   +4 more
wiley   +1 more source

Local Development and the Role of Small Towns in Space Organisation in Contemporary Poland [PDF]

open access: yes, 2014
Published in: Origin Spatial Development of Contemporary Poland in Łódź University Geographical Research, edited by T.MarszałThe majority of small towns are undertaking efforts to redefine their role and position in the spatial structure of the region ...
Kobojek, Elżbieta, Marszał, Tadeusz
core  

High‐Sensitivity Dopamine Detection with Copper Terephthalate‐Modified Carbon Electrode

open access: yesAdvanced Sensor Research, Volume 4, Issue 5, May 2025.
This work introduces a facile synthesis of a copper‐terephthalate with a flake‐like morphology and layered topology. The Cu‐BDC demonstrates exceptional performance as a glassy carbon electrode modifier, enabling highly sensitive and reliable dopamine detection.
Aleksander Ejsmont   +3 more
wiley   +1 more source

Cycling Trail Network of the Poznań Metropolital Area: Prospects for Research in Physical Activity and Recreational Appeal

open access: yesStudia Periegetica, 2017
The increased popularity of cycling in Poland has given new prospects for interdisciplinary research. This enabled multifaceted analysis of recreational activity based on a network of bike trails. One such well-functioning and well-managed network is the
Jarosław Styperek, Mateusz Rogowski
doaj  

Tourism Studies on Łódź and Its Metropolitan Area [PDF]

open access: yes, 2017
This paper is an overview, and its aim is to identify published research works on tourism in Łódź and around the city as well as the tourism trips of the city’s inhabitants.
Liszewski, Stanisław
core   +1 more source

Dynamics in Patterns of Internal Migration in Poland Between 2017 and 2023 – What Are the Impacts of COVID‐19?

open access: yesPopulation, Space and Place, Volume 31, Issue 2, March 2025.
ABSTRACT The COVID‐19 pandemic had a profound spatial impact on economic, cultural and social life, notably altering mobility, including internal migration. Many studies to date looked into various aspects of internal migration patterns after the pandemic outbreak. However, little research has been focused on the area of Central and Eastern Europe. The
Karol Korczyński, Katarzyna Kajdanek
wiley   +1 more source

Covalent Organic Frameworks and 2D Materials Hybrids: Synthesis Strategies, Properties Enhancements, and Future Directions

open access: yesSmall, Volume 21, Issue 8, February 25, 2025.
This review presents the current state of 2D materials (2DMs) ‐ covalent organic frameworks (COFs) hybrids, focusing on their physicochemical properties, synthesis methods, and applications in sensing, catalysis, energy storage, and filtration. It outlines the strengths and weaknesses of 2DMs and COFs, highlights synergistic benefits from hybridization,
Cataldo Valentini   +4 more
wiley   +1 more source

Agricultural Land On Built-Up Housing Lots and the Incomes of Communes: An Example of Rokietnica Commune in the Poznań Agglomeration

open access: yesQuaestiones Geographicae, 2017
The strong connection between urbanisation processes and the transformation of farmland into built-up areas - mostly residential - has already been tackled in the literature.
Maćkiewicz Barbara   +1 more
doaj   +1 more source

Start-up as an innovative economic entity [PDF]

open access: yes, 2019
Основна умова виживання та розвитку компанії в умовах мінливого та конкурентного середовища – потреба у широких, спеціалізованих знаннях та широкому спектрі навичок і ресурсів.
Dmuchowski, Robert   +5 more
core   +1 more source

Engineering of Bioresorbable Polymers for Tissue Engineering and Drug Delivery Applications

open access: yesAdvanced Healthcare Materials, Volume 13, Issue 30, December 4, 2024.
This article provides a comprehensive overview of resorbable biomaterials, focusing on resorption mechanisms, fabrication methods, and their applications in medical devices. It explores innovations in dental tissue engineering, bone drug delivery systems, and regenerative surgery.
Monika Dobrzyńska‐Mizera   +8 more
wiley   +1 more source

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